High levels of exercise can be beneficial for older adults in cutting down the risk of developing chronic diseases, according to new research. Over a 10-year period, those who engaged in the highest levels of physical activity, well above the current recommended minimum level, were twice as likely to prevent stroke, heart disease, angina, cancer, and diabetes, and be in optimal physical and mental shape at the end of the period, according to the study. It is strongly encouraged for optimal health among older adults should be to get those who are inactive to do some physical activity and those who currently only engage in moderate activity to incorporate more vigorous activity if feasible.